set commonly predefines attributes when interrogating setup.py files (fix #770)
set commonly predefines attributes when interrogating setup.py files (fix #770)

harmishhk/catkin,ros/catkin,asmodehn/catkin,asmodehn/catkin,asmodehn/catkin,harmishhk/catkin,ros/catkin,harmishhk/catkin,ros/catkin